diff --git a/router_aliyun.js b/router_aliyun.js
index fd0070e..016cc7e 100644
--- a/router_aliyun.js
+++ b/router_aliyun.js
@@ -10,10 +10,10 @@ const {default: common} = require('./common.js');
 const {default: aliyunSmsClient} = require('./aliyunSmsClient');
 const {default: defaultConfig, getCustomConfigs: getCustomConfigs} = require('./conf/config');
 
-
-
 const router = express.Router();
 
+let customConfig = null;
+
 //发送注册验证码短信接口
 /**
  * @phoneNumber: 手机号码
@@ -28,7 +28,6 @@ router.post('/sendverifycode', async (req, res) => {
     let sign = req.body.sign;
 
     let data = {code: 0, message: ''};
-    let myConfig = await getCustomConfigs('./conf/custom_config.json');
 
     if (!phoneNumber || !codeNumber || !sign) {
         data.message = '参数不能为空';
@@ -37,6 +36,17 @@ router.post('/sendverifycode', async (req, res) => {
     }else if (common.isVerifyCode(codeNumber) == false) {
         data.message = '验证码格式错误，必须是4位数的数字';
     }else {
+        //使用默认配置
+        let myConfig = defaultConfig;
+
+        //加载自定义配置
+        if (!customConfig) {
+            customConfig = await getCustomConfigs('./conf/custom_config.json');
+        }
+
+        //使用自定义配置
+        myConfig = customConfig;
+
         let paramsCheck = {};
         for (const key in req.body) {
             if (key != 'sign') {